Seasons/ Tides.

Front

What are the two main factors that cause seasons on Earth?

Back

The tilt of the Earth's axis and its orbit around the Sun.

Front

What is the Northern Hemisphere?

Back

The half of the Earth located above the equator.

Front

What is the Southern Hemisphere?

Back

The half of the Earth located below the equator.

Front

What season occurs in the Northern Hemisphere when it is summer?

Back

Winter occurs in the Southern Hemisphere.

Front

What is a tide?

Back

The rise and fall of sea levels caused by the gravitational forces of the Moon and the Sun.

Front

How often do high and low tides occur?

Back

Typically, there are two high tides and two low tides each day.

Front

What is the average time between high and low tides?

Back

About 6 hours.

Front

What are spring tides?

Back

Tides that occur when the Sun, Moon, and Earth are aligned, resulting in higher high tides and lower low tides.

Front

What are neap tides?

Back

Tides that occur when the Sun and Moon are at right angles relative to the Earth, resulting in lower high tides and higher low tides.

Front

What is the equator?

Back

An imaginary line that divides the Earth into the Northern and Southern Hemispheres.